National Cyber-Alert System
Vulnerability Summary for CVE-2002-1160
Original release date:02/19/2003
Last revised:09/10/2008
Source:
US-CERT/NIST
Overview
The default configuration of the pam_xauth module forwards MIT-Magic-Cookies to new X sessions, which could allow local users to gain root privileges by stealing the cookies from a temporary .xauth file, which is created with the original user's credentials after root uses su.
Impact
CVSS Severity (version 2.0):
Impact Subscore:
10.0
Exploitability Subscore:
3.9
CVSS Version 2 Metrics:
Access Vector: Locally exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type:Provides administrator access, Allows complete confidentiality, integrity, and availability violation; Allows unauthorized disclosure of information; Allows disruption of service
References to Advisories, Solutions, and Tools
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US-CERT Vulnerability Note: VU#911505
Name: VU#911505
Type: Advisory
External Source: BUGTRAQ
Name: 20021214 BDT_AV200212140001: Insecure default: Using pam_xauth for su from sh-utils package
Type: Advisory; Patch Information
External Source: XF
Name: linux-pamxauth-gain-privileges(11254)
Type: Advisory
External Source: BID
Name: 6753
External Source: REDHAT
Name: RHSA-2003:035
External Source: REDHAT
Name: RHSA-2003:028
External Source: MANDRAKE
Name: MDKSA-2003:017
External Source: SUNALERT
Name: 55760
External Source: CONECTIVA
Name: CLA-2003:693
